<template>
  <!-- /课程详情 开始 -->
  <section class="container">
    <section class="path-wrap txtOf hLh30">
      <a href="#" title class="c-999 fsize14">首页</a>
      \
      <a href="#" title class="c-999 fsize14">课程列表</a>
      \
      <span class="c-333 fsize14">{{ courseWebVo.title }}</span>
    </section>
    <div>
      <article class="c-v-pic-wrap" style="height: 357px;">
        <section class="p-h-video-box" id="videoPlay">
          <img :src="courseWebVo.cover" :alt="courseWebVo.title" class="cover dis c-v-pic">
        </section>
      </article>
      <aside class="c-attr-wrap">
        <section class="ml20 mr15">
          <h2 class="hLh30 txtOf mt15">
            <span class="c-fff fsize24">{{ courseWebVo.title }}</span>
          </h2>
          <section class="c-attr-jg">
            <span class="c-fff">价格：</span>
            <b class="c-yellow" style="font-size:24px;">￥{{ courseWebVo.price }}</b>
          </section>
          <section class="c-attr-mt c-attr-undis">
            <span class="c-fff fsize14">主讲： {{ courseWebVo.teacherName }}&nbsp;&nbsp;&nbsp;</span>
          </section>
          <section class="c-attr-mt of">
              <span class="ml10 vam">
                <em class="icon18 scIcon"></em>
                <a class="c-fff vam" title="收藏" href="#">收藏</a>
              </span>
          </section>
          <section v-if="isbuy || Number(courseWebVo.price)===0" class="c-attr-mt">
            <a href="#" title="立即观看" class="comm-btn c-btn-3" >立即观看</a>
          </section>
          <section v-else class="c-attr-mt">
            <a href="#" title="立即购买" class="comm-btn c-btn-3" @click="addOrder()">立即购买</a>
          </section>
        </section>
      </aside>
      <aside class="thr-attr-box">
        <ol class="thr-attr-ol clearfix">
          <li>
            <p>&nbsp;</p>
            <aside>
              <span class="c-fff f-fM">购买数</span>
              <br>
              <h6 class="c-fff f-fM mt10">{{ courseWebVo.buyCount }}</h6>
            </aside>
          </li>
          <li>
            <p>&nbsp;</p>
            <aside>
              <span class="c-fff f-fM">课时数</span>
              <br>
              <h6 class="c-fff f-fM mt10">{{ courseWebVo.lessonNum }}</h6>
            </aside>
          </li>
          <li>
            <p>&nbsp;</p>
            <aside>
              <span class="c-fff f-fM">浏览数</span>
              <br>
              <h6 class="c-fff f-fM mt10">{{ courseWebVo.viewCount }}</h6>
            </aside>
          </li>
        </ol>
      </aside>
      <div class="clear"></div>
    </div>
    <!-- /课程封面介绍 -->
    <div class="mt20 c-infor-box">
      <article class="fl col-7">
        <section class="mr30">
          <div class="i-box">
            <div>
              <section id="c-i-tabTitle" class="c-infor-tabTitle c-tab-title">
                <a name="c-i" class="current" title="课程详情">课程详情</a>
              </section>
            </div>
            <article class="ml10 mr10 pt20">
              <div>
                <h6 class="c-i-content c-infor-title">
                  <span>课程介绍</span>
                </h6>
                <div class="course-txt-body-wrap">
                  <section class="course-txt-body">
                    <p v-html="courseWebVo.description">
                      {{ courseWebVo.description }}
                    </p>
                  </section>
                </div>
              </div>
              <!-- /课程介绍 -->
              <div class="mt50">
                <h6 class="c-g-content c-infor-title">
                  <span>课程大纲</span>
                </h6>
                <section class="mt20">
                  <div class="lh-menu-wrap">
                    <menu id="lh-menu" class="lh-menu mt10 mr10">
                      <ul>
                        <!-- 文件目录 -->
                        <li v-for="chapter in chapterVoList" :key="chapter.id"
                            class="lh-menu-stair">
                          <a href="javascript: void(0)" :title="chapter.title" class="current-1">
                            <em class="lh-menu-i-1 icon18 mr10"></em>{{ chapter.title }}
                          </a>
                          <ol class="lh-menu-ol" style="display: block;">
                            <li v-for="video in chapter.children" :key="video.id" class="lh-menu-second ml30">
                              <a
                                :href="'/player/'+video.videoSourceId"
                                :title="chapter.title"
                                target="_blank">
                                  <span class="fr">
                                    <i class="free-icon vam mr10">免费试听</i>
                                  </span>
                                <em class="lh-menu-i-2 icon16 mr5">&nbsp;</em>{{ video.title }}
                              </a>
                            </li>
                          </ol>
                        </li>
                      </ul>
                    </menu>
                  </div>
                </section>
              </div>
              <!-- /课程大纲 -->
            </article>
          </div>
        </section>
      </article>
      <aside class="fl col-3">
        <div class="i-box">
          <div>
            <section class="c-infor-tabTitle c-tab-title">
              <a title href="javascript:void(0)">主讲讲师</a>
            </section>
            <section class="stud-act-list">
              <ul style="height: auto;">
                <li>
                  <div class="u-face">
                    <a href="#">
                      <img :src="courseWebVo.avatar" width="50" height="50" alt>
                    </a>
                  </div>
                  <section class="hLh30 txtOf">
                    <a class="c-333 fsize16 fl" href="#">{{ courseWebVo.teacherName }}</a>
                  </section>
                  <section class="hLh20 txtOf">
                    <span class="c-999">{{ courseWebVo.intro }}</span>
                  </section>
                </li>
              </ul>
            </section>
          </div>
        </div>
      </aside>
      <div class="clear"></div>
    </div>
  </section>
  <!-- /课程详情 结束 -->
</template>

<script>
import course from "@/api/course";
import order from "@/api/order";

export default {

  //异步请求调用
  // asyncData({params, error}) {
  //   return course.getCourseApiInfo(params.id).then(response => {
  //     console.log(response.data.data)
  //     return {
  //       courseId: params.id,
  //       courseWebVo: response.data.data.courseWebVo,
  //       chapterVoList: response.data.data.chapterVoList,
  //       isbuy: response.data.data.isbuy
  //     }
  //   })
  // },
  asyncData({params,error}){
    return{courseId: params.id}
    // console.log("courseId:" + courseId)
  },
  data(){
    return {
      courseWebVo: {},
      chapterVoList: [],
      isbuy: false,
    }
  },
  created() {
    this.initCourseInfo()
  },
  methods: {
    addOrder(){
      //调用方法添加订单
      order.createOrder(this.courseId).then(response=>{
        console.log("response:" + response)
        if(response.data.success){
          //成功提示
          this.$message({
            type: "success",
            message: "创建订单成功"
          });
          //页面跳转
          this.$router.push({ path: `/order/${response.data.data.orderId}` });
        }
      })
    },
    initCourseInfo(){
      course.getCourseApiInfo(this.courseId).then(response=>{
        this.courseWebVo = response.data.data.courseWebVo
        this.chapterVoList = response.data.data.chapterVideoList
        this.isbuy = response.data.data.isBuy
      })
    }
  }
};
</script>
<style>
.cover{
  height: 100%;
}
</style>